216415033 has 8 divisors (see below), whose sum is σ = 218566656. Its totient is φ = 214274400.

The previous prime is 216415019. The next prime is 216415037. The reversal of 216415033 is 330514612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216415033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216414989 and 216415007.

It is not an unprimeable number, because it can be changed into a prime (216415037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40053 + ... + 45133.

It is an arithmetic number, because the mean of its divisors is an integer number (27320832).

Almost surely, 2^216415033 is an apocalyptic number.

It is an amenable number.

216415033 is a deficient number, since it is larger than the sum of its proper divisors (2151623).

216415033 is a wasteful number, since it uses less digits than its factorization.

216415033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 216415033 is about 14711.0513900265. The cubic root of 216415033 is about 600.3840439461.

Adding to 216415033 its reverse (330514612), we get a palindrome (546929645).

The spelling of 216415033 in words is "two hundred sixteen million, four hundred fifteen thousand, thirty-three".